1,025 hedge funds and large institutions have $53.8B invested in Biogen in 2016 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 364 increasing their positions, 401 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

9% less capital invested

Capital invested by funds: $59.3B → $53.8B (-$5.52B)

13% less call options, than puts

Call options by funds: $1.52B | Put options by funds: $1.74B

28% less funds holding in top 10

Funds holding in top 10: 5741 (-16)

Holders
1,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
41
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.52B
Puts
$1.74B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
701
$585K
702
$584K
703
$581K
704
$576K
705
$572K
706
$569K
707
$567K
708
$554K
709
$551K
710
$549K
711
$545K
712
$545K
713
$542K
714
$535K
715
$534K
716
$531K
717
$527K
718
$527K
719
$527K
720
$526K
721
$523K
722
$511K
723
$510K
724
$510K
725
$508K